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Ethan J. Warren: Amazon KDP author data

As of Nov 6, 2026, Ethan J. Warren has 5 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #13), mostly in Education & Training, Critical & Intensive care, Emergency Medical Services.

5Books on Amazon
3Listed in 30 days
-Average rating
Median price$14.94
Price range (middle 50%)$12.99 – $19.16
Median reviews-
Total reviews0
New books (30 days)3
Breakout books (30 days)3

View on Amazon

What stands out

  • 60% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $14.94, 50% above the median of their main category, Education & Training.
  • 3 new books in the last 30 days, 3 of them broke into a Best Sellers list.

Ethan J. Warren's best-ranked books

  1. Biochemistry Review 2027-2028: High-Yield Study Guide for Medical School Entrance Exam Pre book cover by Ethan J. Warren

    Biochemistry Review 2027-2028: High-Yield Study Guide for Medical School Entrance Exam Prep with Practice Questions, Mnemonics, and Detailed Answer Explanations

    by Ethan J. Warren

    • Price$25.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. Medical Terminology for Beginners: A Step-by-Step Guide to Word Parts, Body Systems, Abbre book cover by Ethan J. Warren

    Medical Terminology for Beginners: A Step-by-Step Guide to Word Parts, Body Systems, Abbreviations, and Everyday Clinical Language, with Practice Exercises and Answer Keys

    by Ethan J. Warren

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Certified Patient Care Technician (CPCT/A) Study Guide 2027: Complete Exam Prep with Skill book cover by Ethan J. Warren

    Certified Patient Care Technician (CPCT/A) Study Guide 2027: Complete Exam Prep with Skills Checklists, 300+ Practice Questions, and Answer Rationales

    by Ethan J. Warren

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. Prostate Surgery Activity Book: Puzzles, Word Searches, Crosswords, Trivia, Jokes, and Bra book cover by Ethan J. Warren

    Prostate Surgery Activity Book: Puzzles, Word Searches, Crosswords, Trivia, Jokes, and Brain Games for Men Recovering After Prostatectomy

    by Ethan J. Warren

    • Price$16.89
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  5. WHEN A LOVED ONE IS IN THE ICU: A Family Companion to Understanding, Deciding, Coping, and book cover by Ethan J. Warren

    WHEN A LOVED ONE IS IN THE ICU: A Family Companion to Understanding, Deciding, Coping, and Recovering

    by Ethan J. Warren

    • Price$0
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Ethan J. Warren have on Amazon?

KDPTop tracks 5 of their books; 3 made an Amazon list in the last 30 days.

Which categories does Ethan J. Warren publish in?

Their books chart most often in Education & Training, Critical & Intensive care, Emergency Medical Services.

How does Ethan J. Warren price their books?

The median price is $14.94; half of the books cost $12.99–$19.16.

Has Ethan J. Warren released new books recently?

3 new books in the last 30 days, 3 of which reached a Best Sellers list.

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.